{
  "name": "category.list \u2014 the five built-in categories",
  "description": "Read-only and available over both transports: the extension's default-category picker needs it.",
  "request": {
    "jsonrpc": "2.0",
    "id": 30,
    "method": "category.list",
    "params": {}
  },
  "response": {
    "jsonrpc": "2.0",
    "id": 30,
    "result": {
      "items": [
        {
          "categoryId": "compressed",
          "name": "Compressed",
          "saveDir": "/home/sami/Downloads/Compressed",
          "extensions": [
            "zip",
            "tar",
            "gz",
            "xz",
            "zst",
            "7z",
            "rar"
          ],
          "mimeTypes": [
            "application/zip"
          ],
          "builtin": true,
          "sortOrder": 0
        },
        {
          "categoryId": "documents",
          "name": "Documents",
          "saveDir": "/home/sami/Downloads/Documents",
          "extensions": [
            "pdf",
            "epub",
            "odt",
            "docx"
          ],
          "mimeTypes": [
            "application/pdf"
          ],
          "builtin": true,
          "sortOrder": 1
        },
        {
          "categoryId": "music",
          "name": "Music",
          "saveDir": "/home/sami/Downloads/Music",
          "extensions": [
            "mp3",
            "flac",
            "ogg",
            "opus",
            "wav"
          ],
          "mimeTypes": [
            "audio/flac"
          ],
          "builtin": true,
          "sortOrder": 2
        },
        {
          "categoryId": "programs",
          "name": "Programs",
          "saveDir": "/home/sami/Downloads/Programs",
          "extensions": [
            "exe",
            "msi",
            "deb",
            "rpm",
            "appimage",
            "iso",
            "dmg"
          ],
          "mimeTypes": [
            "application/x-iso9660-image"
          ],
          "builtin": true,
          "sortOrder": 3
        },
        {
          "categoryId": "video",
          "name": "Video",
          "saveDir": "/home/sami/Downloads/Video",
          "extensions": [
            "mkv",
            "mp4",
            "avi",
            "webm",
            "mov"
          ],
          "mimeTypes": [
            "video/mp4",
            "video/x-matroska"
          ],
          "builtin": true,
          "sortOrder": 4
        }
      ]
    }
  },
  "assertions": [
    "built-in categories always exist and cannot be removed",
    "extensions are lowercase and carry no leading dot"
  ]
}